Create an image that captures a classic pin-up style illustration featuring a woman in a white bikini, sitting confidently on a surfboard. Position her against a vibrant, bright blue sky with fluffy white clouds in the background. Ensure the woman has a red flower in her hair and wears bold red lipstick. The surfboard should bear the number "217" prominently displayed. Her pose should convey confidence and poise, with legs slightly apart and hands resting gently on the surfboard. Capture the vintage, mid-20th-century vibe, reminiscent of pin-up art from the 1940s, with a focus on the retro aesthetics and emotional atmosphere of the era.
